****, the d@#M Check engine light is back on!!
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by drmiles:
I have 05 Hummer, I used the xtreme flow exhaust and edlebrook headers no problem. When I installed the high flow air filter the check engine light came on. I used the powerflash programmer and the problem went away. </div></BLOCKQUOTE>